Trends in birth rates in the United States since 1870, by Bernard Okun
The Johns Hopkins University studies in historical and political science. Series 76. N° 1
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| Institution: | CEDIAS-Musée social |
| Format: | TEXT |
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Baltimore, Johns Hopkins press
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| Online Access: | http://hdl.handle.net/11160/F8DAF3BC-A986-4D26-9AFB-E4588BA18679 |
